BodyB23AB11

Serious

Severity: Serious - have it checked soon

The right brake caliper has a malfunction. There is a short circuit to ground.

1 brand affected · Description from Mercedes-Benz data.

Key terms: Control module: a small computer that runs one part of the car

Safety: This code relates to the braking system or brake assist. Braking may be affected.

1What it means in plain English

The right brake caliper has an electrical fault (a short circuit to ground), so the brake on that side may not work correctly.

2Common causes

Damaged caliper wiring or connector
Faulty brake caliper actuator or motor
Water or corrosion in the caliper connector
Seized or binding caliper
Control module fault

3Can I drive?

Serious · drive with care

Braking may be affected on that side. Have it checked immediately; do not drive if the brake warning light is on, the pedal feels abnormal, or the car pulls to one side when braking.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 1

Brand	Code	Description	System
Mercedes-Benz	B23AB11	The right brake caliper has a malfunction. There is a short circuit to ground. Brand	Body

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Related codes

Browse Bxxx codes or B23Axx codes.